Compare 21/15 and 54/63
1st number: 1 6/15, 2nd number: 54/63
21/15 is greater than 54/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
21/15 = 21 × 21/15 × 21 = 441/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
54/63 = 54 × 5/63 × 5 = 270/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 441/315 > 270/315 or 21/15 > 54/63
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